White-bearded Antshrike
- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Passeriformes
- family: Thamnophilidae
- genus: Biatas
- species: Biatas nigropectus
San Pedro
Misiones
Argentina
Cachoeiras de Macacu- Nova Friburgo
Rio de Janeiro- Pomerode
Santa Catarina- Cananéia
São Paulo
Brazil